2006 : ← - January - February - March - April - May - June - July - August - September - October - November - December - → 2006 (MMVI) is a common year starting on Sunday of the Gregorian calendar. ... 2005 : January - February - March - April - May - June - July - August - September - October - November - December- → December 31, 2005 A leap second is added to UTC at midnight GMT to keep clocks worldwide synchronized with the Earths rotation. ... January 4, 2006 Astronomers announce new data on Plutos moon Charon obtained during an occultation of a star in July 2005. ... 2006 : January - February - March - April - May - June - July - August - September - October - November - December February 28, 2006 Scientists at the Hubble space telescope publish the largest and most detailed image they have yet produced. ... March 25, 2006 Australia: A scramjet jet engine designed to fly at 7 times the sonic speed has been successfully tested. ...

General Name, Symbol, Number helium, He, 2 Chemical series noble gases Group, Period, Block 18, 1, s Appearance colorless Atomic mass 4. ... KDE 3. ... April 19 is the 109th day of the year in the Gregorian calendar (110th in leap years). ... Scott Crossfield Albert Scott Crossfield (October 2, 1921 – April 19, 2006), normally referred to as Scott Crossfield, was an American naval officer, aviator and test pilot. ... April 11 is the 101st day of the year in the Gregorian calendar (102nd in leap years). ... Venus Express is the first Venus exploration mission of the European Space Agency. ... Adjective Venusian or (rarely) Cytherean (*min temperature refers to cloud tops only) Atmospheric characteristics Atmospheric pressure 9. ... April 15 is the 105th day of the year in the Gregorian calendar (106th in leap years). ... COSMIC is also a code name used to label NATO classified information. ... See also: Other events of 2006 List of years in science . ... See also: Other events of 2005 List of years in science . ... See also: Other events of 2004 List of years in science . ... See also: Other events of 2003 List of years in science . ... See also: Other events of 2002 List of years in science . ... The following entries cover events of a science or technology related nature which occurred in the listed year. ...

Events in Science

April 26, 2006

• A team of researchers working for IBM publishes the results of a pattern discovery analysis of "junk DNA". In contrast to expectations, they discovered similar patterns in "junk DNA" and DNA sections containing genes. (BBC)

April 26 is the 116th day of the year in the Gregorian Calendar (117th in leap years). ... 2006 (MMVI) is a common year starting on Sunday of the Gregorian calendar. ... For other uses, see IBM (disambiguation). ... In molecular biology, junk DNA is a collective label for the portions of the DNA sequence of a chromosome or a genome for which no function has yet been identified. ... The general structure of a section of DNA Deoxyribonucleic acid (DNA) is a nucleic acid —usually in the form of a double helix— that contains the genetic instructions specifying the biological development of all cellular forms of life, and most viruses. ... This stylistic schematic diagram shows a gene in relation to the double helix structure of DNA and to a chromosome (right). ...

April 21, 2006

• ESA scientists publish an analysis of Mars Express data in the journal Science that proposes three main geological ages for Mars, named the phyllosian, theiikian, and siderikian eras. Only the first era (from 4.5 until 4.2 thousand million years ago) might have supported life on that planet. (SpaceRef.com)
• The Integrated Ocean Drilling Program is the first drilling program to reach a hardened magma chamber underneath the ocean crust and confirms the formation of gabbro during the cooling process. The data are released in Sciencexpress. (IODP News Release)

April 21 is the 111th day of the year in the Gregorian calendar (112th in leap years). ... 2006 (MMVI) is a common year starting on Sunday of the Gregorian calendar. ... The European Space Agency (ESA), established in 1975, is an inter-governmental organisation dedicated to the exploration of space, currently with 17 member states. ... Concept model of the Mars Express spacecraft Mars Express is a Mars exploration mission of the European Space Agency and the first planetary mission attempted by the agency. ... Science is the journal of the American Association for the Advancement of Science (AAAS). ... For the Roman god, see Mars (mythology). ... A year is the time between two recurrences of an event related to the orbit of the Earth around the Sun. ... A planet is generally considered to be a relatively large mass of accreted matter in orbit around a star. ... The Integrated Ocean Drilling Program (IODP) is an international research program whose goal is to explore the structure of the Earth as recorded in oceanic sediments and rocks. ... A magma chamber is a chamber typically between 1 km and 10 km beneath the surface of the Earth formed as rising magma forms a reservoir if it is unable to rise any further. ... Age of oceanic crust Oceanic crust is the part of Earths lithosphere which underlies the ocean basins. ... Gabbro specimen. ...

April 20, 2006

• Multiple security flaws are discovered in the Mozilla software package used by programs like Mozilla Firefox and Mozilla Thunderbird. Users are urged to download the latest updates. (BBC)
• An attempt to raise the orbit of the International Space Station is cancelled when a rocket engine fails to reach its correct configuration. (AFP/YahooNews)

April 20 is the 110th day of the year in the Gregorian calendar (111th in leap years). ... 2006 (MMVI) is a common year starting on Sunday of the Gregorian calendar. ... Mozilla logo Mozilla Firefox is a computer term that has had many different uses, though all of them have been related to Netscape Communications Corporation and its related application software. ... Mozilla Firefox is a free, open source, cross-platform, graphical web browser developed by the Mozilla Corporation and hundreds of volunteers. ... Mozilla Thunderbird is a free, cross-platform e-mail and news client developed by the Mozilla Foundation. ... In physics, an orbit is the path that an object makes, around another object, whilst under the influence of a source of centripetal force, such as gravity. ... International Space Station insignia ISS Statistics Crew: 2 As of March 5, 2006 Perigee: 352. ... A cold (un-ignited) rocket engine test at NASA A rocket engine is a heat engine that can be used for spacecraft propulsion as well as terrestrial uses, such as missiles. ...

April 19, 2006

• NASA scientists publish results of the first successful detailed computer simulation of the merger of two black holes. The model will be used to predict signals in gravitational radiation observatories. (BBC)

April 19 is the 109th day of the year in the Gregorian calendar (110th in leap years). ... 2006 (MMVI) is a common year starting on Sunday of the Gregorian calendar. ... This article or section does not cite its references or sources. ... A computer simulation or a computer model is a computer program that attempts to simulate an abstract model of a particular system. ... A black hole is a concentration of mass great enough that the force of gravity prevents anything past its event horizon from escaping it except through quantum tunnelling behaviour (known as Hawking Radiation). ... To meet Wikipedias quality standards, this article or section may require cleanup. ... MolÄ—tai Astronomical Observatory An observatory is a location used for observing terrestrial and/or celestial events. ...

April 18, 2006

• The discovery of multiple fossiles of Mapusaurus roseae in close proximity provides evidence that they may have hunted in packs. (BBC)

April 18 is the 108th day of the year in the Gregorian calendar (109th in leap years). ... 2006 (MMVI) is a common year starting on Sunday of the Gregorian calendar. ... A fossil Ammonite Fossils (from Latin fossus, literally having been dug up) are the mineralized or otherwise preserved remains or traces (such as footprints) of animals, plants, and other organisms. ...

April 15, 2006

• The six satellites of the COSMIC program (Constellation Observing System for Meteorology, Ionosphere, and Climate), a joint U.S.-Taiwanese project, are launched from Vandenberg Air Force Base in California. COSMIC, known in Taiwan as FORMOSAT-3, is meant to provide advances in meteorology, ionospheric research, climatology, and space weather by using GPS satellites in conjunction with Low Earth Orbit (LEO) satellites. (SPACE.com)

April 15 is the 105th day of the year in the Gregorian calendar (106th in leap years). ... 2006 (MMVI) is a common year starting on Sunday of the Gregorian calendar. ... A satellite is any object that orbits another object (which is known as its primary). ... COSMIC is also a code name used to label NATO classified information. ... Motto: (1789 to 1956) (Latin for Out of many, one) In God We Trust (1956 to present) Anthem: The Star-Spangled Banner Capital Washington, D.C. Largest city New York City Official language(s) None at federal level; English de facto Government Federal Republic  - • President George W. Bush (R)  - • Vice... The terrain of Taiwan is mostly mountainous in the east but gradually changes to gently sloping plains in the west. ... Vandenberg Air Force Base is a base with a spaceport, located in Santa Barbara County, California. ... Official language(s) English Capital Sacramento Largest city Los Angeles Area  Ranked 3rd  - Total 158,302 sq. ... GPS satellite in orbit, image courtesy NASA GPS redirects here. ... A low Earth orbit (LEO) is an orbit in which objects such as satellites are below intermediate circular orbit (ICO) and far below geostationary orbit, but typically around 350 - 1400 km above the Earths surface. ...

April 12, 2006

• Four million year old fossilized bones of Australopithecus anamensis, belonging to a hominin species that anatomically falls between Ardipithecus ramidus and Australopithecus afarensis, are found in Middle Awash, Ethiopia. Scientists publish their conclusion that these species are demonstrating the evolution of hominids, since all three fossils types were found in the same geographic area. (AFP/YahooNews)

April 12 is the 102nd day of the year in the Gregorian calendar (103rd in leap years). ... 2006 (MMVI) is a common year starting on Sunday of the Gregorian calendar. ... Binomial name †Australopithecus anamensis Leakey et al, 1995 Australopithecus anamensis is a fossil species of Australopithecus. ... Genera Gorilla Pan (chimpanzees) Homo (humans) Paranthropus (extinct) Australopithecus (extinct) Sahelanthropus (extinct) Ardipithecus (extinct) Kenyanthropus (extinct) Homininae is a subfamily of Hominidae, including Homo sapiens and some extinct relatives, as well as the gorillas and the chimpanzees. ... Anatomical drawing of the human muscles from the Encyclopédie. ... Species Ardipithecus kadabba Ardipithecus ramidus Ardipithecus is a very early hominid genus ( subfamily Homininae). ... Binomial name †Australopithecus afarensis Johanson & White, 1978 Australopithecus afarensis is a hominid which lived between 3. ... The Middle Awash is an archaeological site along the Awash River in Ethiopias Afar Depression. ... A speculative phylogenetic tree of all living things, based on rRNA gene data, showing the separation of the three domains, bacteria, archaea and eukaryotes. ...

April 11, 2006

• The Venus Express spacecraft of the European Space Agency arrives at Venus approximately 5 months after it was launched and goes into orbit around the planet. (BBC) (ESA)

April 11 is the 101st day of the year in the Gregorian calendar (102nd in leap years). ... 2006 (MMVI) is a common year starting on Sunday of the Gregorian calendar. ... Venus Express is the first Venus exploration mission of the European Space Agency. ... The European Space Agency (ESA), established in 1975, is an inter-governmental organisation dedicated to the exploration of space, currently with 17 member states. ... Adjective Venusian or (rarely) Cytherean (*min temperature refers to cloud tops only) Atmospheric characteristics Atmospheric pressure 9. ... In physics, an orbit is the path that an object makes, around another object, whilst under the influence of a source of centripetal force, such as gravity. ... A planet is generally considered to be a relatively large mass of accreted matter in orbit around a star. ...

8 April 2006

• Brazilian astronaut Marcos Pontes returns to Earth with Expedition 12 crew William McArthur and Valery Tokarev after leaving the International Space Station. (BBC)

April 8 is the 98th day of the year in the Gregorian calendar (99th in leap years). ... 2006 (MMVI) is a common year starting on Sunday of the Gregorian calendar. ... U.S. Space Shuttle astronaut Bruce McCandless II using a manned maneuvering unit (MMU) outside the Challenger in 1984. ... Marcos César Pontes (born March 11, 1963) became the first Brazilian and the first Lusophone to go into space when he launched towards the International Space Station aboard Soyuz TMA-8 on March 30, 2006. ... Expedition 12 (2005) is the 12th expedition to the International Space Station, using the Soyuz TMA-7, which will stay during the expedition for emergency evacuation. ... External link NASA Biography Categories: People stubs | 1951 births | Astronauts ... Valery Ivanovich Tokarev (Russian: Валерий Иванович Токарев), Russian Air Force Colonel and test cosmonaut at the Yuri A. Gagarin Cosmonaut Training Center, was born October 29, 1952 in the town of Kap-Yar, Astrakhan Region Resides at Star City, Moscow Region. ... International Space Station insignia ISS Statistics Crew: 2 As of March 5, 2006 Perigee: 352. ...

5 April 2006

• A new fossilized species is discovered that resembles a cross between a fish and a crocodile, called Tiktaalik roseae. It was found on Ellesmere Island and is estimated to be 375 million years old. (AP/YahooNews)

April 5 is the 95th day of the year in the Gregorian calendar (96th in leap years). ... 2006 (MMVI) is a common year starting on Sunday of the Gregorian calendar. ... In biology, a species is the basic unit of biodiversity. ... Orders See text. ... Genera Mecistops Crocodylus Osteolaemus See full taxonomy. ... Binomial name Tiktaalik roseae Daeschler, Shubin & Jenkins, 2006 Tiktaalik is a genus of extinct sarcopterygian (lobe-finned) fishes from the late Devonian with many tetrapod-like features. ... Ellesmere Island, Nunavut, Canada. ...

4 April 2006

• Researcher publish the result of X-ray images taken by Swift of the Deep Impact collision with comet Tempel 1. It reveals that the comet ejected material in large amounts for many days. (BBC)

April 4 is the 94th day of the year in the Gregorian calendar (95th in leap years). ... 2006 (MMVI) is a common year starting on Sunday of the Gregorian calendar. ... In the NATO phonetic alphabet, X-ray represents the letter X. An X-ray picture (radiograph) taken by Röntgen An X-ray is a form of electromagnetic radiation with a wavelength approximately in the range of 5 pm to 10 nanometers (corresponding to frequencies in the range 30 PHz... The Swift Gamma-Ray Burst Mission consists of an unmanned spacecraft called Swift, which was launched into orbit on November 20, 2004, at 17:16:00 UTC (12:16 PM, EST) by a Delta 2 7320-10C expendable launch vehicle. ... Illustration of the Deep Impact space probe after impactor separation (artists conception) Deep Impact is a NASA space probe designed to study the composition of the interior of the comet Tempel 1. ... Comet Hale-Bopp For other uses, see Comet (disambiguation). ... Tempel 1 is a periodic comet (formally designated 9P/Tempel 1). ...

2 April 2006

• The Navy Forces of the Islamic Revolutionary Guard (Iranian Navy) successfully test fires a high-speed "underwater missile", most probably a supercavitating torpedo. (Iran Daily) (AP)

April 2 is the 92nd day of the year (93rd in leap years) in the Gregorian calendar, with 273 days remaining. ... 2006 (MMVI) is a common year starting on Sunday of the Gregorian calendar. ... The Islamic Republic of Iran Navy is the naval force of Iran. ... Supercavitation is the use of cavitation effects to create a large bubble of gas inside a liquid, allowing an object to travel at great speed through the liquid by being wholly enveloped by the bubble. ... A torpedo in Rail terminology refers to a small explosive device strapped to the top of the rail to alert an approaching train of immediate danger ahead. ...

1 April 2006

• The Soyuz TMA-8 spacecraft docks with the ISS and delivers the first Brazilian astronaut, Marcos Pontes, as well as the Expedition 13 crew Pavel Vinogradov and Jeffrey Williams. (BBC) (Spaceflight Now)

April 1 is the 91st day of the year (92nd in leap years) in the Gregorian calendar, with 274 days remaining. ... 2006 (MMVI) is a common year starting on Sunday of the Gregorian calendar. ... Soyuz TMA-6 spacecraft approaching the International Space Station Soyuz (Soyus, Союз, union) is a series of spacecraft designed by Sergey Korolyov for the Soviet Unions space program. ... // Crew Will launch ISS Expedition 13 crew: Pavel Vinogradov (2) Commander - Russia Jeffrey Williams (2) Flight Engineer - U.S.A. Marcos Pontes (1) Flight Engineer - Brazil Will land ISS Expedition 13 crew: Pavel Vinogradov (2) Commander - Russia Jeffrey Williams (2) Flight Engineer - U.S.A. Daisuke Enomoto (1) Tourist - Japan... A spacecraft is designed to leave Earths atmosphere and operate beyond the surface of the Earth in outer space. ... International Space Station insignia ISS Statistics Crew: 2 As of March 5, 2006 Perigee: 352. ... U.S. Space Shuttle astronaut Bruce McCandless II using a manned maneuvering unit (MMU) outside the Challenger in 1984. ... Marcos César Pontes (born March 11, 1963) became the first Brazilian and the first Lusophone to go into space when he launched towards the International Space Station aboard Soyuz TMA-8 on March 30, 2006. ... Pavel Vladimirovich Vinogradov (Russian: Павел Владимирович Виноградов) (born August 31, 1953 in Magadan, Russia) is a cosmonaut. ... External link NASA Biography Categories: Stub | 1958 births | Astronauts ...

Events in science and technology by month

2006 in science: January February March April May
2005 in science: January February March April May June July August September October November December
2004 in science: November December
(For earlier science and technology events, see October 2004 and preceding months) See also: Other events of 2006 List of years in science . ... January 4, 2006 Astronomers announce new data on Plutos moon Charon obtained during an occultation of a star in July 2005. ... 2006 : January - February - March - April - May - June - July - August - September - October - November - December February 28, 2006 Scientists at the Hubble space telescope publish the largest and most detailed image they have yet produced. ... March 25, 2006 Australia: A scramjet jet engine designed to fly at 7 times the sonic speed has been successfully tested. ... March 25, 2006 Australia: A scramjet jet engine designed to fly at 7 times the sonic speed has been successfully tested. ... See also: Other events of 2005 List of years in science . ... Featured articles Tsunami. ... 2005 : January - February - March - April - May - June - July - August - September - October - November - December- → Todays featured article Tsunami. ... 2005 : January - February - March - April - May - June - July - August - September - October - November - December- → Todays featured article Tsunami. ... 2005 : January - February - March - April - May - June - July - August - September - October - November - December- → Deaths in April • 22 – Philip Morrison Events Hannover Messe Fair, April 11-15 Technology-Innovation-Automation NAB2005 Convention in Las Vegas Worlds Largest Electronic Media Show Robonexus 2005 in Silicon Valley Related pages • 2005 in science... Todays featured article • Tsunami Deaths in May • None entered Other recent deaths Ongoing events • None entered Upcoming events • None entered Related pages • 2005 in science • 2004 in science • 2003 in science • 2002 in science • 2001 in science Other Years in Sci Tech May 20, 2005 South Korean scientists led... 2005 : January - February - March - April - May - June - July - August - September - October - November - December- → Todays featured article • Technetium Deaths in June • June 20: Charles D. Keeling • June 20: Jack Kilby Other recent deaths Events • 2005 Atlantic hurricane season • 2005 Pacific hurricane season • 46th Paris Air Show: June 13-19 Related... Todays featured article • Technetium Deaths in July • None entered Other recent deaths Ongoing events • 2005 Atlantic hurricane season • 2005 Pacific hurricane season Upcoming events • None entered Related pages • 2005 in science • 2004 in science • 2003 in science • 2002 in science • 2001 in science Other Years in Sci Tech July... 2005 : January - February - March - April - May - June - July - August - September - October - November - December- → Todays featured article • Technetium Deaths in August • August 21: Robert A. Moog • August 17: John N. Bahcall Other recent deaths Events • August 9: Landing of STS-114 • August 12: Launch of MRO spacecraft • 2005 Atlantic hurricane... Todays featured article • Technetium Deaths in September • None entered Other recent deaths Events • None entered Ongoing events • 2005 Atlantic hurricane season • 2005 Pacific hurricane season Upcoming events • None entered Related pages • 2005 in science • 2004 in science • 2003 in science • 2002 in science • 2001 in science Other Years in... Todays featured article • Technetium Deaths in October Other recent deaths Events • None entered Ongoing events • 2005 Atlantic hurricane season • 2005 Pacific hurricane season Upcoming events • October 13: Launch of Shenzhou VI Related pages • 2005 in science • 2004 in science • 2003 in science • 2002 in science • 2001 in science Other... 2005 : January - February - March - April - May - June - July - August - September - October - November - December- → Todays featured article • Technetium Deaths in November • 16 - Henry Taube Other recent deaths Events • 9: Launch of Venus Express • 19: First Hayabusa touchdown • 26: Second Hayabusa touchdown and sample collection • 2005 Atlantic hurricane season • 2005 Pacific... 2005 : January - February - March - April - May - June - July - August - September - October - November - December- → December 31, 2005 A leap second is added to UTC at midnight GMT to keep clocks worldwide synchronized with the Earths rotation. ... See also: Other events of 2004 List of years in science . ... Science and technology news. ... Featured articles Hydrogen car. ... 2004 : January - February - March - April - May - June - July - August - September - October - November - December See also: October 2004 in sports Deaths in October • 29 HRH Princess Alice • 25 John Peel • 24 James Cardinal Hickey • 23 Robert Merrill • 19 Paul Nitze • 18 K. M. Veerappan • 16 Pierre Salinger • 10 Christopher Reeve • 9...

News collections and sources

See: Wikipedia:Current science and technology events sources.

See also

• Science and technology at Wikinews